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不同施工方式对既有地铁隧道的影响分析

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以深圳机场九道的道路及管线施工上跨地铁隧道为背景,分别采用放坡开挖和顶管施工方式,通过MIDAS软件建立了2种施工方式的二维和三维模型,分别统计了各种情况下地铁隧道的横向、纵向位移,对不同施工方式进行评估分析,为后续施工提供了一定的指导意义.
Analysis on Influence of Different Construction Methods on Existing Subway Tunnel
Taking the construction of the road and pipeline of Shenzhen Airport 9 th Road overpassing the subway tunnel as the background,the slope excavation and pipe-jacking construction methods are adopted respectively.The 2D and 3D models of two construction methods are established through Midas software to calculate the transverse and longitudinal displacements of the subway tunnel under various conditions,and evaluate and analyze the different construction methods,which provides some guidance for the subsequent construction.

slope excavationpipe jackingincremental methodsubway tunneldisplacement

魏光华、郑玮、朱海平

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深圳市综合交通与市政工程设计研究总院有限公司,广东深圳 518033

放坡开挖 顶管 增量法 地铁隧道 位移

2024

城市道桥与防洪
上海市政工程设计研究院

城市道桥与防洪

影响因子:0.477
ISSN:1009-7716
年,卷(期):2024.(8)